Answer:
To be honest, I would say the best answer is the fact that flies move so you can't be sure if you counted a fruit fly or not. If this is a test i am sorry if you get it wrong, if its homework this is what I would've put.
Answer:
population size decreases
Explanation:
The answer is B . just think like foot ball players or other characteristics.
Answer:
there was fire lava and ashes
Explanation:
